Chapter 11 Port Explanation
Table 11.4 Motor Interface Signal Definition of Arc THC Module
5 Cores Interface Pin Number
Signal Name
Comment
1
LIM-
Lower limit
2
LIM+
Upper limit
3
COM
+24V power ground
4
M+
Motor + for THC
5
M-
Motor - for THC
11.4.2 Arc Import Instruction
Arc import pins are ARC+、ARC-. ARC+ link with positive pole of arc output of partial pressure
panel. ARC- link with negative pole of arc output of partial pressure panel.
Table 11.5 Arc Interface Signal Definition of Arc THC Module
7 Cores Interface Pin Number Signal Name
Comment
4
ARC-
negative pole of arc output of partial pressure panel
5
ARC+
positive pole of arc output of partial pressure panel
Interpret: input and output proportion of partial pressure panel is default 100: 1.
If user needs 50：1 partial pressure proportion, open the system box, find the dial
switch showing as the figure 11.13. When this switch is on, partial pressure
proportion input is 50：1, otherwise 100: 1. Default position of dial switch is OFF。
Fig.11.13 Arc input partial pressure proportion
104
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